Question

How do i multiply these ? (5x-6.9)(2x+12.2)

Answer 1

10x^2 + 47.2x - 84.18

Explanation:

You distribute both terms in the first set of parentheses (5x-6.9) to the terms in the second set (2x+12.2) So when you're doing it 5x gets multiplied by 2x and 12.2 and -6.9 gets multiplied by 2x and 12.2. Then you simplify as much as possible

Answer 2

Follow the pemdas rule Parenthesis exponents multiplication division addition subtraction